[DD.]

Aaaaaaaaaaargh.

[purplebean]

my toms have late blight, I was hoping not as the pics in the books looked different but I googled and the book pics are early blight what mine have is definitely late blight   at least I have had some toms this year which is an improvement on the last 3

[Jamie Butterworth]

Sorry DD, i have to admit, i havent been paying much attention to this thread and so have missed the majority of the posts 

[DD.]

Lesson #1.

Stickies are there for a reason!

[Jamie Butterworth]

Lesson learnt, sorry

[Aunt Sally]

I recently thought that I had Late Blight on my Pink Fir Apple potatoes.  So I cut all the tops off to save the infection going into the tubers.

I was wrong    I sent this photo of the leaves off to Blight Watch and have recently got a reply from them.

This is the Picture and the BW reply to me.



I have shown your photo to a pathologist, and he confirms my thoughts, that it looks like target spot, this can look like late blight, and in fact has an alternative name of early blight. It is caused by alternaria rather than Phytophthora and doesn’t cause the same problems with tuber infections.

Hope this helps, but I guess too late for this season. From your picture, the symptoms and lesions are constrained by the leaf midrib. This is one way to distinguish the two diseases. Alternaria also affects lower leaves first and strips these, whereas Phytophthora - usually being wind borne - will affect upper leaves first.


A very useful reply - I won't make the same mistake again.

[andy135]

Better safe than sorry. At least you still have the tubers. 

[rachelr]

I have just had a blight warning for ln1,2,3,4,5. Full smith period

[Aunt Sally]

I've been getting thm regularly for about the last week or so.

[DD.]

Me three.

[Plottered]

and me four

[mumofstig]

and five...............more Smith periods, but strangely enough if my memory serves me right, we seem to have less blight than last year in the SE corner

[cornykev]

Another blight alert yesterday, tommies are in the back garden so they should be OK and spuds will all be out soon, he says.

[JamPan]

Me 6, or seven as I see someone sneaked in.

[davethespread]

we had blight on our site,someones toms copped it so i cut my haulms off a fortnight ago